Herbicidal composition

Abstract

A selective herbicidal composition for controlling grasses and weeds in crops of cultivated plants, comprising a) a herbicidally effective amount of a compound of formula I wherein the substituents are defined as given in claim 1; b) a herbicidally synergistic amount of at least one herbicide selected from the classes of phenoxy-phenoxypropionic acids, hydroxylamines, sulfonylureas, imidazolinones, pyrimidines, triazines, ureas, PPO, chloroacetanilides, phenoxyacetic acids, triazinones, dinitroanilines, azinones, carbamates, oxyacetamides, thiolcarbamates, azole-ureas, benzoic acids, anilides, nitriles, triones and sulfonamides, as well as from the herbicides amitrol, benfuresate, bentazone, cinmethylin, clomazone, chlopyralid, difenzoquat, dithiopyr, ethofumesate, flurochloridone, indanofane, isoxaben, oxaziclomefone, pyridate, pyridafol, quinchlorac, quinmerac, tridiphane and flamprop; and optionally c) to antagonise the herbicide, an antidotally effective amount of a safener selected from cloquintocet, an alkali, alkaline earth, sulfonium or ammonium cation of cloquintocet, cloquintocet-mexyl, mefenpyr, an alkali, alkaline earth, sulfonium or ammonium cation of mefenpyr and mefenpyr-diethyl; and/or d) an additive comprising an oil of vegetable or animal origin, a mineral oil, the alkylesters thereof or mixtures of these oils and oil derivatives.

1. A selective herbicidal composition comprising, as the active ingredient a mixture of
 a) a herbicidally effective amount of a compound of formula I 
 
       
         
           
           
               
               
           
         
       
       or salts or diastereoisomers thereof, wherein:
 R 1  and R 3  are CH 2 CH 3    
 G is hydrogen or C(O)C(CH 3 ) 3 ; and 
 b) a herbicidally synergistic amount of at least one herbicide selected from clodinafop-p-propargyl, fenoxaprop-P-ethyl, tralkoxydim, triasulfuron, amidosulfuron, tribenuron, idosulfuron, thifensulfuron-methyl, metsulfuron, flupyrsulfuron, sulfosulfuron, mecoprop, fluroxypyr, MCPA, 2,4-D ester, 2,4-D amine, triallate, prosulfocarb, dicamba, diflufenican, picolinafen, pendimethalin, trifluralin, bromoxynil, ioxynil, flucarbazone, florasulam, propoxycarbazone, and metosulam. 
 
     
     
       2. Composition according to  claim 1 , which contains, to antagonise the herbicide, an antidotally effective amount of a safener selected from cloquintocet, an alkali salt of cloquintocet, an alkaline earth salt of cloquintocet, a sulfonium salt of cloquintocet, an ammonium salt of cloquintocet, cloquintocet-mexyl, mefenpyr, an alkali salt of mefenpyr, an alkaline earth salt of mefenpyr, a sulfonium salt of mefenpyr, an ammonium cation salt of mefenpyr and mefenpyrdiethyl. 
     
     
       3. Composition according to  claim 1 , which contains an additive comprising an oil of vegetable or animal origin, a mineral oil, the alkylesters thereof or mixtures of these oils and oil derivatives. 
     
     
       4. A method of selectively controlling weeds and grasses in crops of cultivated plants, which comprises treating said cultivated plants, the seeds or seedlings or the crop area thereof, with a composition according to  claim 1 . 
     
     
       5. A method of selectively controlling weeds and grasses in crops of cultivated plants, which comprises treating said cultivated plants, the seeds or seedlings or the crop area thereof, with a composition according to  claim 2 . 
     
     
       6. A method of selectively controlling weeds and grasses in crops of cultivated plants, which comprises treating said cultivated plants, the seeds or seedlings or the crop area thereof, with a composition according to  claim 3 . 
     
     
       7. A method according to  claim 4  wherein the cultivated plant is cereal or maize. 
     
     
       8. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from clodinafop-p-propargyl and fenoxaprop-P-ethyl. 
     
     
       9. A composition according to  claim 1  wherein the at least one herbicide in (b) is tralkoxydim. 
     
     
       10. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from triasulfuron, amidosulfuron, tribenuron, idosulfuron, thifensulfuron-methyl, metsulfuron, flupyrsulfuron, and sulfosulfuron. 
     
     
       11. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from mecoprop, fluroxypyr, MCPA, 2,4-D ester, and 2,4-D amine. 
     
     
       12. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from triallate and prosulfocarb. 
     
     
       13. A composition according to  claim 1  wherein the at least one herbicide in (b) is dicamba. 
     
     
       14. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from diflufenican and picolinafen. 
     
     
       15. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from bromoxynil and ioxynil. 
     
     
       16. A composition according to  claim 1  wherein the at least one herbicide in (b) is selected from flucarbazone, florasulam, propoxycarbazone, and metosulam. 
     
     
       17. A composition according to  claim 1 , wherein the at least one herbicide in (b) is selected from pendimethalin and trifluralin.